October 2026 CVE archive
Records last modified in NIST NVD between Oct 1 and Oct 31, 2026 (UTC). Data imported from the NVD CVE API 2.0 and the CISA KEV catalog; each record shows its own source and verification time. The modified view only includes records that were CRITICAL or CISA-KEV-listed when imported — it is not a complete list of every modification.
Total records
21,937
Critical
3,121
High
7,064
Medium
6,901
Low
608
Severity not reported
4,243
In CISA KEV
186
Most affected vendors (by CPE data where available): microsoft (1423), linux (722), google (413), ibm (321), oracle (193), mozilla (182), adobe (165), broadcom (118), apache (115), fabian (98)
| CVE | Severity | CVSS | KEV | Vendor / product | Published | Modified |
|---|---|---|---|---|---|---|
| CVE-2026-83505 Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85354 Use after free in Windows Error Reporting allows an authorized attacker to eleva... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-73027 External control of system or configuration setting in Windows Setup Files Clean... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85355 Inclusion of functionality from untrusted control sphere in Windows Common Log F... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83499 Insufficient granularity of access control in Windows Server Update Service allo... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85356 Out-of-bounds read in Windows Volume Manager Extension Driver allows an authoriz... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-81969 Insufficient granularity of access control in Windows Server Update Service allo... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-83508 Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate priv... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-81971 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-71347 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70580 Missing authentication for critical function in Windows Credential Guard allows... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70566 Null pointer dereference in Windows Schannel allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70299 Improper access control in Windows Bind Filter Driver allows an authorized attac... |
high | 8.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70286 Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacke... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85357 Concurrent execution using shared resource with improper synchronization ('race... |
high | 7.0 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70278 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an autho... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85358 Heap-based buffer overflow in Windows Installer allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85359 Improper control of generation of code ('code injection') in Windows Performance... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70272 Use after free in Windows Installer allows an authorized attacker to elevate pri... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85361 Use after free in Windows Installer allows an authorized attacker to elevate pri... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70258 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut... |
high | 8.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85362 Release of invalid pointer or reference in Windows Management Instrumentation al... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70255 Heap-based buffer overflow in Desktop Window Manager allows an authorized attack... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70252 Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized a... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70229 Incorrect authorization in Active Directory Domain Services allows an unauthoriz... |
high | 8.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70228 Out-of-bounds read in Desktop Window Manager allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70207 Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized a... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70250 Use after free in Windows DHCP Client allows an unauthorized attacker to execute... |
high | 8.8 | — | Microsoft / windows server 2012 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85364 Use after free in Windows Installer allows an authorized attacker to elevate pri... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70123 Numeric truncation error in Microsoft Graphics Component allows an authorized at... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85366 Heap-based buffer overflow in Windows Installer allows an authorized attacker to... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-85367 Use after free in Windows Cash Drawer Protocol Provider allows an authorized att... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70126 Out-of-bounds read in Windows Bluetooth Port Driver allows an unauthorized attac... |
high | 7.1 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70131 Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unaut... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70274 Use after free in Windows Bind Filter Driver allows an authorized attacker to el... |
high | 7.8 | — | Microsoft / windows 11 23h2 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70132 Heap-based buffer overflow in Windows Portable Device File System Driver allows... |
high | 7.8 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70133 Allocation of resources without limits or throttling in Windows SMB Server allow... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70134 Use after free in Windows Event Tracing allows an authorized attacker to elevate... |
high | 7.0 | — | Microsoft / windows 10 1809 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70136 Use after free in Microsoft Windows Search Component allows an authorized attack... |
high | 7.0 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
| CVE-2026-70006 Use after free in Remote Desktop Client allows an unauthorized attacker to execu... |
high | 7.5 | — | Microsoft / windows 10 1607 | 2026-10-13 | 2026-10-28 |
Sources: NIST NVD (CVE API 2.0) and the CISA KEV catalog. Severity is as stated by the source; missing values are shown as “not reported”, never estimated.